32results about How to "Fix blocking issues" patented technology

The invention relates to the technical field of door locks and particularly relates to an NFC (Near Field Communication) door lock system and an unlocking method thereof. The NFC door lock system comprises an NFC label and a door lock, wherein the NFC label stores a bluetooth pairing instruction and an unlocking instruction which can be read by an NFC terminal; the door lock is mounted on the inner side of a door; the door lock comprises a bluetooth module; the bluetooth module is connected with a clutch driving mechanism of the door lock, is used for receiving the bluetooth pairing instruction and the unlocking instruction which are sent by the NFC terminal, is paired with the NFC terminal according to the bluetooth pairing instruction, is used for controlling the clutch driving mechanism to unlock according to the unlocking instruction after the pairing is successful, and is paired with bluetooth of the NFC terminal after the unlocking is canceled. With the adoption of the manner, the door lock is not arranged on the outer side of the door and the difficulty of carrying out illegal technical unlocking on the outer side of the door is greatly lowered; the safety of the door lock is improved.

The invention relates to the municipal facility field and especially relates to an intelligent well lid with a long communication distance and low usage cost. The intelligent well lid disclosed in the invention is characterized in that the well lid comprises a nonmetal well lid body and a surface-shape antenna; the surface-shape antenna is embedded into a front side of the well lid body; a surface of the surface-shape antenna, which is located on the front side of the well lid body, at least possesses a bare portion; and a feeder line end of the surface-shape antenna passes through the well lid body and is extended to a back side of the well lid body, and is used to connect an RF emission module. In the invention, a problem that signals are shielded by the well lid is avoided; a communication distance is increased and usage cost is reduced.

The invention discloses an antenna structure design capable of measuring deformation. A sensor network is arranged on the front surface of a reflecting panel, a reserved mounting groove is embedded, equipment mounting on the surface of the reflecting panel is not influenced, strain data is generated along with the deformation of the reflecting panel, the real-time morphology of the reflecting surface of an antenna is calculated by adopting a reconstruction algorithm, and an ultrathin optical fiber sensor is adopted, only 1.2 mm grooves need to be formed in the panel, rigidity losses and a structural interference stress caused by array surface lightening and thinning are avoided, problems that naked grating gluing reliability is poor and a screw joint size of an integrated sensor is large are solved, parallel connection different from resistance strain gauges in series connection is adopted, cables are reduced by more than 90%, stability and an anti-interference capacity are high, and the electromagnetic interference problem is avoided.

The invention provides a laser-rotating arc composite welding system and a composite welding method thereof. The welding system comprises a laser welding part and an electric arc welding part, whereinthe laser welding part is used for generating laser beams; the electric arc welding part is used for generating electric arc; the electric arc welding part comprises a TIG rotating arc welding gun which can realize rotation of the electric arc; the TIG rotating arc welding gun comprises a cylindrical housing, a gear ring, a driving gear and a driven gear, wherein the gear ring is positioned at the inner wall of the cylindrical housing; the driving gear is arranged inside the cylindrical housing and is driven to rotate by an electromotor; the driven gear is matched with the driving gear and the gear ring; a tungsten electrode of the TIG rotating arc welding gun is connected with the center of the driven gear; when the driving gear is driven to rotate by the electromotor, the driven gear rotates around the driving gear to drive the tungsten electrode to rotate around the driving gear so as to form rotating arc; and control ends of the laser welding part, the electric arc welding part and the electromotor all are connected with an integrated control center. The welding system and the welding method reduce the requirements on assembling clearance and can realize welding of high-reflectivity materials.

The invention relates to a high-precision and high-efficiency ultrafast laser processing method for micro-holes with a large depth-to-diameter ratio, which belongs to the technical field of high-precision intelligent laser manufacturing, and applies high-precision laser space shaping technology and high-efficiency process judgment control method to micro The shape repair of deep through-holes can improve the shape quality and processing efficiency of micro-holes. The method is: set the corresponding laser processing technology according to the material properties and processing technology requirements; use Gaussian laser to drill holes in the target; use real-time monitoring The device monitors the target, and when the target is penetrated, the laser energy distribution is converted from a Gaussian type to a flat-top type; the flat-top laser is used to repair the shape of the microhole; the real-time monitoring device is used to monitor the shape of the microhole outlet to meet the requirements When the next micro-hole processing. The invention adopts the combination of Gaussian laser processing and flat-top laser repairing, real-time monitoring and feedback control of the processing method of the processing flow, and effectively improves the processing quality and processing efficiency of microholes.

The present application provides a data processing method, device, computer equipment and storage medium, wherein the method includes: the screening server obtains the characteristic information of the target object stored in the blockchain system; the screening server determines whether there is Preset key information; when it is determined that there is preset key information in the feature information, the screening server returns a processing request to the blockchain system, wherein the processing request is used to instruct the blockchain system to perform preset key information on the target object. Processing operations. The above solution solves the current technical problem of lack of effective solutions for processing sensitive information on the chain, and achieves the technical effect of effectively processing sensitive information on the chain, reducing processing costs and processing difficulties.

The invention relates to the technical field of mobile communication, and discloses a tunnel leaky cable communication system, that is, a main unit device that outputs a multi-channel intermediate frequency modulation signal in the source part, and then uses the leaky cable to transmit the intermediate frequency modulation signal and radiates to Space in the tunnel, and then use the vehicle-mounted relay unit equipment placed on the car body of the train running in the tunnel to convert the intermediate frequency modulation signal into a multi-channel radio frequency carrier signal at a target operating frequency higher than the cut-off frequency of the leaky cable, covering To the interior of the carriage, not only does it not need to redeploy new leaky cables that support higher cut-off frequencies, it greatly reduces the deployment cost, construction cost and difficulty of leaky cable coverage solutions for mobile communication signals with higher carrier frequencies (especially 5G signals), and supports Multi-channel communication; on the other hand, the system synchronization and equipment management of the on-board relay unit equipment are carried out by using cooperative base stations, which ensures the robustness of the on-board relay unit equipment.

The invention discloses an intelligent screen pasting film. The intelligent screen pasting film comprises a PET film, the PET film is adopted as the surface of the intelligent mobile phone pasting film, one face of the PET film is provided with a functional coating, the other face of the PET film is provided with a graphene conductive film, and the graphene conductive film is attached to an AB glue layer. According to the AB glue layer, different glue layers are arranged on the two faces of the PET film correspondingly, the face A is the face where the PET is attached to a graphene layer and is provided with an acrylate bonding agent, and the face B is the face attached to a screen and is provided with a silica gel system light bonding agent. Compared with a traditional ITO three-layer structure intelligent protection film, the intelligent pasting film has better advantages in thickness, bending resistance and other aspects, the intelligent pasting film can be repeatedly pasted on a smart phone many times, the ultrathin functional protection film is obtained, and the problems that the overall thickness of the protection film is large, and a conduction area shields a touch control icon or a touch control point of a display screen view window area are solved.

The invention relates to a water meter chamber and a water meter device thereof. The water meter chamber comprises a rectangular water meter derrick which is composed of multiple longitudinal uprights and multiple cross beams and is provided with an opening at the upper end, reinforced concrete uprights arranged at four corners of the water meter derrick, a reinforced concrete panel arranged at the top of the water meter derrick, a chamber cover formed at the middle part of the reinforced concrete panel, wherein multiple supports are arranged on the cross beams at the inner side of the bottom end of the water meter derrick, supporting plates corresponding to the supports are respectively arranged on the longitudinal uprights at the two sides of the water meter derrick, a steel plate cover completely wraps the outer side of the water meter derrick, and through holes are arranged on the steel plate cover on the supporting plates at the two sides and correspond to supporting positions of the supporting plates. The water meter device used for the water meter chamber comprises a water inlet valve connected with the water inlet side of a water meter by virtue of a connecting pipe and a water outer valve connected with the water outlet side of the water meter by virtue of a connecting pipe, the other end of the water inlet valve is connected with a water inlet pipe, and the other end of the water outlet valve is connected with a water outlet pipe by virtue of an extensible member. The water meter chamber and the water meter device thereof provided by the invention are simple in structure and convenient to mount, and can be produced industrially.

The invention discloses a data communication system for a high-speed railway and a communication method of the data communication system. The communication method comprises the steps: a vehicle-mounted gateway obtains communication data of a mobile terminal through a network access device in a vehicle, thereby being used for transmitting the communication data to a base station through a vehicle-mounted antenna; the vehicle-mounted gateway obtains communication data of the base station according to a vehicle-mounted antenna, thereby being used for transmitting the communication data to the mobile terminal through the network access device in the vehicle; the vehicle-mounted gateway successively enables each vehicle-mounted antenna to conduct base station switching between a current communication base station and a next base station to determine a first vehicle-mounted antenna which conducts switching successfully; and after the first vehicle-mounted antenna conducts switching successfully, the vehicle-mounted gateway determines time of base station switching of each follow-up vehicle-mounted antenna respectively, and informs the next base station through the vehicle-mounted antenna, and is used for establishing communication connection between the next base station and each follow-up vehicle-mounted antenna. The system and the communication method resolve the problem that a vehicle body shields signals, and the problems that a large number of mobile terminals conduct base station switching simultaneously so that information channels are blocked, and achieve base station quick switching, and guarantee switching success rate and communication quality during switching.

The invention discloses an internal combustion engine piston monitoring system achieving induction power supply. The internal combustion engine piston monitoring system comprises a sensor, a controller, a power source, a wireless transmitter-USB converter, a data line, a USB serial port and a computer. The internal combustion engine piston monitoring system is high in universality, low in cost and high in operability, transmission of different kinds of functional data of a piston is completed in a wireless communication manner, power is permanently supplied to the system in a magnetic induction line cutting manner, the defects of a traditional monitoring method are overcome, observability of monitoring data and reliability of an internal combustion engine piston testing system are improved, and the experiment difficulty is reduced.

The present invention proposes an in-situ detection device for the magnetic characteristics of the bottom of the seabed, including an electromagnetic field generation module, a magnetic field acquisition module, a power supply, a system controller, and a data processing module. The entire detection device can withstand deep-sea pressure environments; the electromagnetic field generation module Generate DC pulse magnetic field and AC attenuation magnetic field; multiple sensors of the magnetic field acquisition module are distributed on one side of the planar circular coil, which is close to the bottom of the seabed during detection, and a magnetic field sensor is located in the center of the planar circular coil. The rest of the magnetic sensors are evenly distributed on two concentric circles, the inner and outer concentric circles of the planar circular coil, and also include a dry chamber in the shape of a round rod, a wet chamber in the shape of a wheel disc and two watertight cables. The device uses a DC high-voltage power supply module to charge the capacitor, and then uses the capacitor to discharge the coil connected to it to perform in-situ magnetization and demagnetization treatment on the bottom of the seabed with different intensities, measure the corresponding magnetic field change information, and obtain the magnetic characteristics of the bottom of the seabed .

The invention relates to a shield ball, which comprises a shield ball body shaped like a gyrating column, wherein a stepped mounting hole is formed in the axis of the shield ball body in an extending manner in the axis direction; a sinking hole for sinking and fixing the head of a fastener of the shield ball is formed in a large hole neck section of the mounting hole. A hole surface at the opening end of the sinking hole and a side surface of the shield ball body are connected onto a longitudinal cross-section of the shield ball body through a transition cambered surface tangential to the two surfaces; an end surface, away from the sinking hole, of the shield ball body, is a mounting surface for being connected with a to-be-shielded workpiece in a matching way. When the shield ball provided by the invention is used in an insulation test of a 126 kV GIS (Gas Insulated Switchgear) three-phase common box type current transformer, the shield ball can be fixed and assembled on a central conductor only by using a fastener, the operation of the mounting process is very simple and convenient when compared with the operation of the conventional manner that a connecting cylinder and a sleeve are adopted for shielding.

The invention discloses a melting and electromagnetic constraint shaping system capable of performing efficient electro-thermal conversion, relates to a melting and electromagnetic constraint shaping system, and aims to solve the problems of excessively large loss of a crucible, difficulty in smelting a high-titanium-niobium aluminum alloy or poor superheat degree of high-titanium-niobium aluminum alloy liquid, non-uniform electromagnetic force and poor organization control effect due to small cavity size of the conventional continuous melting and electromagnetic constraint system and unreasonable matching of a sensor and the crucible. The melting and electromagnetic constraint shaping system comprises a crucible main body, a water inlet pipe, a water outlet pipe, a thin water pipe, an induction coil and a magnetizer, wherein the crucible main body consists of an upper half body and a lower half body; each of the upper half body and the lower half body is processed from an integral copper block through linear cutting and drilling; the water inlet pipe is communicated with the lower half body through the thin water pipe; the water outlet pipe is communicated with the lower half body through the thin water pipe; the induction coil sleeves the upper half body; the magnetizer surrounds the outside of the induction coil. The melting and electromagnetic constraint shaping system is applied to the field of electro-thermal conversion.

The invention belongs to the technical field of shielding, and discloses a shielding ring structure at a sharp corner of a transformer opening, which comprises a shielding ring with a semicircular cross section for covering a transformer opening sharp corner, and a fixing plate arranged on the side edge of the shielding ring. After the shielding ring structure at the transformer opening sharp corner is installed, the shielding ring is tightly attached to the opening of a shielded body, the sharp corner at the opening is effectively shielded, the safe insulation distance from the opening body to a coil and a lead is reduced, and therefore the size of an inner cavity of the transformer is reduced, and the manufacturing cost is reduced.